It's been a heady week of hand-shaking, connection-making, and idea-waking at Fortune Brainstorm Tech in Aspen. With the conference concluded, I've descended from the mountaintops to an islet off the coast of Rhode Island, where I am now soaking up the full-bodied, sea salt air. (Ah, glorious humidity.)

Some highlights from the cybersecurity session I moderated on Wednesday: Jen Easterly, who heads a security center at Morgan Stanley, echoed the recent...